AIS vs. FEPI

Last updated Apr 1, 2026

Compare and contrast key facts about VistaShares Artificial Intelligence Supercycle ETF (AIS) and REX FANG & Innovation Equity Premium Income ETF (FEPI).

AIS and FEPI are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. AIS is an actively managed fund by VistaShares. It was launched on Dec 3, 2024. FEPI is an actively managed fund by REX. It was launched on Oct 11, 2023.

Performance

AIS vs. FEPI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in VistaShares Artificial Intelligence Supercycle ETF (AIS) and REX FANG & Innovation Equity Premium Income ETF (FEPI). The values are adjusted to include any dividend payments, if applicable.

AIS vs. FEPI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
AIS VistaShares Artificial Intelligence Supercycle ETF	10.96%	58.35%	-4.92%
FEPI REX FANG & Innovation Equity Premium Income ETF	-7.19%	18.33%	-2.17%

Returns By Period

In the year-to-date period, AIS achieves a 10.96% return, which is significantly higher than FEPI's -7.19% return.

AIS

• 1D: 5.94%
• 1M: -8.03%
• YTD: 10.96%
• 6M: 19.31%
• 1Y: 94.59%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FEPI

• 1D: 4.04%
• 1M: -2.01%
• YTD: -7.19%
• 6M: -3.83%
• 1Y: 22.91%
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

AIS vs. FEPI - Expense Ratio Comparison

AIS has a 0.75% expense ratio, which is higher than FEPI's 0.65% expense ratio.

AIS

VistaShares Artificial Intelligence Supercycle ETF

FEPI

REX FANG & Innovation Equity Premium Income ETF

Return for Risk

AIS vs. FEPI — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

AIS

AIS Risk / Return Rank: 95
AIS Sharpe Ratio Rank: 96
AIS Sortino Ratio Rank: 95
AIS Omega Ratio Rank: 93
AIS Calmar Ratio Rank: 97
AIS Martin Ratio Rank: 96

FEPI

FEPI Risk / Return Rank: 65
FEPI Sharpe Ratio Rank: 63
FEPI Sortino Ratio Rank: 65
FEPI Omega Ratio Rank: 65
FEPI Calmar Ratio Rank: 72
FEPI Martin Ratio Rank: 61

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

AIS vs. FEPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for VistaShares Artificial Intelligence Supercycle ETF (AIS) and REX FANG & Innovation Equity Premium Income ETF (FEPI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	AIS	FEPI	Difference
Sharpe ratio Return per unit of total volatility	2.60	1.05	+1.55
Sortino ratio Return per unit of downside risk	3.09	1.56	+1.52
Omega ratio Gain probability vs. loss probability	1.43	1.23	+0.21
Calmar ratio Return relative to maximum drawdown	4.94	1.74	+3.20
Martin ratio Return relative to average drawdown	17.02	5.57	+11.45
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AIS vs. FEPI - Sharpe Ratio Comparison

The current AIS Sharpe Ratio is 2.60, which is higher than the FEPI Sharpe Ratio of 1.05. The chart below compares the historical Sharpe Ratios of AIS and FEPI, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	AIS	FEPI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.60	1.05	+1.55
Sharpe Ratio (All Time) Calculated using the full available price history	1.33	0.79	+0.54

Correlation

The correlation between AIS and FEPI is 0.80, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

AIS vs. FEPI - Dividend Comparison

AIS has not paid dividends to shareholders, while FEPI's dividend yield for the trailing twelve months is around 28.60%.

	TTM	2025	2024	2023
AIS VistaShares Artificial Intelligence Supercycle ETF	0.00%	0.00%	0.00%	0.00%
FEPI REX FANG & Innovation Equity Premium Income ETF	28.60%	25.48%	27.18%	4.21%

Drawdowns

AIS vs. FEPI - Drawdown Comparison

The maximum AIS drawdown since its inception was -32.78%, which is greater than FEPI's maximum drawdown of -23.56%. Use the drawdown chart below to compare losses from any high point for AIS and FEPI.

Drawdown Indicators

	AIS	FEPI	Difference
Max Drawdown Largest peak-to-trough decline	-32.78%	-23.56%	-9.22%
Max Drawdown (1Y) Largest decline over 1 year	-18.75%	-12.91%	-5.84%
Current Drawdown Current decline from peak	-10.75%	-9.39%	-1.36%
Average Drawdown Average peak-to-trough decline	-5.96%	-3.63%	-2.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.44%	4.04%	+1.40%

Volatility

AIS vs. FEPI - Volatility Comparison

VistaShares Artificial Intelligence Supercycle ETF (AIS) has a higher volatility of 15.90% compared to REX FANG & Innovation Equity Premium Income ETF (FEPI) at 7.49%. This indicates that AIS's price experiences larger fluctuations and is considered to be riskier than FEPI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AIS	FEPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.90%	7.49%	+8.41%
Volatility (6M) Calculated over the trailing 6-month period	26.94%	14.30%	+12.64%
Volatility (1Y) Calculated over the trailing 1-year period	36.55%	21.92%	+14.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.11%	19.39%	+16.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	36.11%	19.39%	+16.72%